diff --git a/tests/testutil.py b/tests/testutil.py
index 33f21506e5f54d46d98c5057427bb99325de3132..856bf596c23b9db0a49d2b694d65e796d36508e0 100644
--- a/tests/testutil.py
+++ b/tests/testutil.py
@@ -348,6 +348,7 @@ class RTClient:
             self.login_result = True
         self.last_login = None
         self.want_cfs = want_cfs
+        self.edits = {}
 
     def login(self, login=None, password=None):
         if login is None and password is None:
@@ -402,10 +403,15 @@ class RTClient:
             ],
         }
         if self.want_cfs:
-            retval['CF.{payment-method}'] = f'payment method {ticket_id_s}'
+            retval['CF.{payment-amount}'] = ''
+            retval['CF.{payment-method}'] = ''
             retval['CF.{payment-to}'] = f'Hon. Mx. {ticket_id_s}'
         return retval
 
+    def edit_ticket(self, ticket_id, **kwargs):
+        self.edits.setdefault(str(ticket_id), {}).update(kwargs)
+        return True
+
     def get_user(self, user_id):
         user_id_s = str(user_id)
         match = re.search(r'(\d+)@', user_id_s)